// copyright 2006 mAnual.co.il

function numbersonly(myfield, e, dec)
{
var key;
var keychar;

if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);

// control keys
if ((key==null) || (key==0) || (key==8) ||
    (key==9) || (key==13) || (key==27) )
   return true;

// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;

// decimal point jump
else if (dec && (keychar == "."))
   {
   myfield.form.elements[dec].focus();
   return false;
   }
else
   return false;
}

function init()
{
    document.getElementById('badB').style.display = "none";
    document.getElementById('flipB').style.display = "none";
    document.getElementById('revB').style.display = "none";
}

function badC()
{
    document.getElementById('moreB').style.display = "none";
    document.getElementById('badB').style.display = "block";
    document.getElementById('flipB').style.display = "none";
    document.getElementById('revB').style.display = "none";
}

function flipC()
{
    document.getElementById('moreB').style.display = "none";
    document.getElementById('badB').style.display = "none";
    document.getElementById('flipB').style.display = "block";
    document.getElementById('revB').style.display = "none";
}

function revC()
{
    document.getElementById('moreB').style.display = "none";
    document.getElementById('badB').style.display = "none";
    document.getElementById('flipB').style.display = "none";
    document.getElementById('revB').style.display = "block";
}